Holyoke schools set graduation dates Updated 1:36 PM; HOLYOKE – The city’s public school system has set dates for high school graduations and senior year events. Acting Superintendent Anthony Soto updated the School Committee Monday on graduation and senior events for May and June. A majority of staff and students favored separate graduations for the Holyoke High School North and Dean Campuses. Both schools formed graduation task forces, which comprise students, teachers, parents, school district and health officials. The North Campus graduation occurs Sunday, June 6 at 1 p.m., with Class Day scheduled for June 4. Cap and Gown Day is May 15 from 11 a.m. to 2 p.m.